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111. 发明申请

US20120093122A1 Method and system for transmitting position reference signal 有权
标题翻译：发送位置参考信号的方法和系统
公开(公告)号：US20120093122A1
公开(公告)日：2012-04-19
申请号：US13257854
申请日：2009-12-30
申请人： Bo Dai , Guanghui Yu , Weijun Li , Yijian Chen
发明人： Bo Dai , Guanghui Yu , Weijun Li , Yijian Chen
IPC分类号： H04W64/00 , H04W72/04
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/0053 , H04L5/0092
摘要： The present disclosure discloses a method and system for transmitting a position reference signal. Wherein the method includes: frequency domain positions for transmitting a position reference signal are n physical resource blocks, and the value of n is obtained according to signaling; time domain positions for transmitting the position reference signal are the remaining orthogonal frequency division multiplexing symbols in a subframe, except for orthogonal frequency division multiplexing symbols for transmitting a physical downlink control channel and orthogonal frequency division multiplexing symbols for transmitting a cell-specific reference signal; and the position reference signal is transmitted according to the frequency domain position and the time domain position. By adopting the method and the system of the present disclosure, the transmitting of the position reference signal is realized, and the positioning precision of a UE is ensured.
摘要翻译：本公开公开了一种用于发送位置参考信号的方法和系统。其中方法包括：用于发送位置参考信号的频域位置是n个物理资源块，并且根据信令获得n的值; 用于发送位置参考信号的时域位置是除了用于发送物理下行链路控制信道的正交频分复用符号和用于发送小区特定参考信号的正交频分复用符号之外的子帧中的剩余正交频分复用符号; 并且根据频域位置和时域位置发送位置参考信号。通过采用本公开的方法和系统，实现了位置参考信号的发送，确保了UE的定位精度。

112. 发明授权

US09025538B2 Method and system for transmitting downlink control information 有权
标题翻译：传输下行控制信息的方法和系统
公开(公告)号：US09025538B2
公开(公告)日：2015-05-05
申请号：US13257859
申请日：2009-12-29
申请人： Bo Dai , Xin Wu , Guanghui Yu , Weijun Li
发明人： Bo Dai , Xin Wu , Guanghui Yu , Weijun Li
IPC分类号： H04L1/00 , H04W28/04 , H04W48/08 , H04W48/16
CPC分类号： H04L1/0072 , H04W28/04 , H04W48/08 , H04W48/16
摘要： The present disclosure discloses a method and system for transmitting downlink control information, for solving the problem of how to indicate a transmission scheme when a cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier. In order to support the bi-flow beam forming technology in the LTE-A R9, the present disclosure provides a downlink control information Format 1A, which may, when the cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier, indicates a method for transmitting downlink control information, for example, single-layer transmission, transmit diversity, or a transmission scheme simultaneously involving single-layer transmission and transmit diversity, which guarantees flexibility of system schedule. The present disclosure adds no signaling overhead and has good adaptability with the LTE R8.
摘要翻译：本公开公开了一种用于发送下行链路控制信息的方法和系统，用于解决当下行链路控制信道中的循环冗余校验码被半持续调度的小区无线电网络临时标识符加扰时如何指示传输方案的问题。为了支持LTE-A R9中的双流波束形成技术，本公开提供了一种下行链路控制信息格式1A，其可以在下行链路控制信道中的循环冗余校验码被半持续地加扰表示用于发送下行链路控制信息的方法，例如单层传输，发送分集或同时涉及单层传输和发送分集的传输方案，其保证系统调度的灵活性。本公开不会增加信令开销，并且与LTE R8具有良好的适应性。

113. 发明授权

US08879494B2 Method and system for non-periodic feedback in carrier aggregation scenario 有权
标题翻译：载波聚合方案中非周期反馈的方法和系统
公开(公告)号：US08879494B2
公开(公告)日：2014-11-04
申请号：US13638756
申请日：2010-08-19
申请人： Bo Dai , Xin Wu , Ping Zeng , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Xin Wu , Ping Zeng , Guanghui Yu , Zhisong Zuo
IPC分类号： H04W4/00 , H04L12/26 , H04W72/04 , H04L5/00 , H04W24/10 , H04W28/06 , H04W48/08 , H04W72/00 , H04B7/06
CPC分类号： H04W72/042 , H04B7/0643 , H04L5/001 , H04L5/0094 , H04W24/10 , H04W28/06 , H04W48/08 , H04W72/00 , H04W72/04
摘要： The present invention discloses a method and a system for non-periodic feedback in a carrier aggregation scenario. The method comprises: a base station sending a non-periodic trigger signaling to a piece of User Equipment (UE); the UE receiving the non-periodic trigger signaling, and determining a Downlink Component Carrier (DL CC) requiring feedback according to the non-periodic trigger signaling; the UE triggering a non-periodic feedback of the determined DL CC. With the present invention, the problem that it is impossible to determine which downlink component carrier is to be fed back according to the non-periodic trigger signaling in the carrier aggregation scenario is solved, uplink feedback of the DL CC that is unnecessary to be fed back is effectively reduced, the base station can adjust resource allocation according to information fed back by the UE, and the performance of downlink data transmission is ensured.
摘要翻译：本发明公开了一种在载波聚合场景中的非周期性反馈的方法和系统。该方法包括：向一个用户设备（UE）发送非周期性触发信令的基站; 所述UE接收所述非周期性触发信令，以及根据所述非周期触发信令确定需要反馈的下行链路分量载波（DL CC）; UE触发所确定的DL CC的非周期反馈。利用本发明，解决了不可能根据载波聚合方案中的非周期性触发信令来确定哪个下行链路分量载波被反馈的问题，不需要馈送的DL CC的上行链路反馈后台有效减少，基站可以根据UE反馈的信息调整资源分配，确保下行数据传输的性能。

114. 发明授权

US08761116B2 Method and system for transmitting position reference signal 有权
标题翻译：发送位置参考信号的方法和系统
公开(公告)号：US08761116B2
公开(公告)日：2014-06-24
申请号：US13257854
申请日：2009-12-30
申请人： Bo Dai , Guanghui Yu , Weijun Li , Yijian Chen
发明人： Bo Dai , Guanghui Yu , Weijun Li , Yijian Chen
IPC分类号： H04W40/00
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/0053 , H04L5/0092
摘要： The present disclosure discloses a method and system for transmitting a position reference signal. Wherein the method includes: frequency domain positions for transmitting a position reference signal are n physical resource blocks, and the value of n is obtained according to signaling; time domain positions for transmitting the position reference signal are the remaining orthogonal frequency division multiplexing symbols in a subframe, except for orthogonal frequency division multiplexing symbols for transmitting a physical downlink control channel and orthogonal frequency division multiplexing symbols for transmitting a cell-specific reference signal; and the position reference signal is transmitted according to the frequency domain position and the time domain position. By adopting the method and the system of the present disclosure, the transmitting of the position reference signal is realized, and the positioning precision of a UE is ensured.
摘要翻译：本公开公开了一种用于发送位置参考信号的方法和系统。其中方法包括：用于发送位置参考信号的频域位置是n个物理资源块，并且根据信令获得n的值; 用于发送位置参考信号的时域位置是除了用于发送物理下行链路控制信道的正交频分复用符号和用于发送小区特定参考信号的正交频分复用符号之外的子帧中的剩余正交频分复用符号; 并且根据频域位置和时域位置发送位置参考信号。通过采用本公开的方法和系统，实现了位置参考信号的发送，确保了UE的定位精度。

115. 发明申请

US20120236817A1 Channel State Information Feedback Method and User Equipment 有权
标题翻译：渠道状态信息反馈方法和用户设备
公开(公告)号：US20120236817A1
公开(公告)日：2012-09-20
申请号：US13512964
申请日：2010-06-29
申请人： Yijian Chen , Jun Xu , Guanghui Yu , Bo Dai , Junfeng Zhang
发明人： Yijian Chen , Jun Xu , Guanghui Yu , Bo Dai , Junfeng Zhang
IPC分类号： H04W4/00 , H04W72/02
CPC分类号： H04B7/0417 , H04B7/024 , H04B7/0486 , H04B7/0626 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/0641 , H04L1/0003 , H04L1/0026 , H04L1/0029
摘要： A method for feeding back channel state information and user equipment are provided in the present invention, which relates to the digital communication field; and they solve the problem of lacking a mechanism of reporting overall and effective channel state information in a SU-MIMO and MU-MIMO dynamic switching system. The method includes: in a single transmission mode, UE sends the channel state information to a network side, wherein the channel state information includes information indicating a transmission layer with the best channel quality. Technical schemes provided in the present invention are applied to the LTE system and LTE-A system.
摘要翻译：在本发明中提供了一种用于反馈信道状态信息和用户设备的方法，该方法涉及数字通信领域; 解决了在SU-MIMO和MU-MIMO动态切换系统中缺乏报告整体有效的信道状态信息的机制的问题。该方法包括：在单传输模式中，UE向网络侧发送信道状态信息，其中信道状态信息包括指示具有最佳信道质量的传输层的信息。本发明提供的技术方案应用于LTE系统和LTE-A系统。

116. 发明申请

US20120182974A1 System and Method for Mapping Reference Signal Sequence in Advanced Long Term Evolution System 有权
标题翻译：高级长期演进系统中参考信号序列映射的系统与方法
公开(公告)号：US20120182974A1
公开(公告)日：2012-07-19
申请号：US13257688
申请日：2010-03-15
申请人： Bo Dai , Xin Wu , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Xin Wu , Guanghui Yu , Zhisong Zuo
IPC分类号： H04W72/04
CPC分类号： H04L5/0048 , H04L27/2602
摘要： The present invention provides a method and system for mapping a reference signal sequence in an advanced Long Term Evolution (LTE) system, and the method and the system are used to map the reference signal sequence to an orthogonal frequency division multiplexing symbol of l. The method includes: when the system uses a normal cyclic prefix, determining the symbol l according to an expression, and mapping the reference signal sequence to a location of a sub-carrier k on the symbol l of an antenna port p. The system includes: a mapping module, a first acquiring module and a second acquiring module. The system and the method which are provided ensure the transmission performance while ensuring the interference randomization. In addition, the system and the method are compatible with existing LTE systems, thus realizing high-order Multiple Input Multiple Output (MIMO) transmission, supporting the usage of the corresponding techniques.
摘要翻译：本发明提供了一种用于在高级长期演进（LTE）系统中映射参考信号序列的方法和系统，并且该方法和系统用于将参考信号序列映射到l的正交频分复用符号。该方法包括：当系统使用正常循环前缀时，根据表达式确定符号l，并将参考信号序列映射到天线端口p的符号l上的子载波k的位置。该系统包括：映射模块，第一获取模块和第二获取模块。提供的系统和方法确保了传输性能，同时确保干扰随机化。此外，该系统和方法与现有的LTE系统兼容，从而实现高阶多输入多输出（MIMO）传输，支持相应技术的使用。

117. 发明申请

US20120033627A1 Method for Sending and Detecting Downlink Control Information 有权
标题翻译：发送和检测下行链路控制信息的方法
公开(公告)号：US20120033627A1
公开(公告)日：2012-02-09
申请号：US13258592
申请日：2010-04-27
申请人： Weijun Li , Bo Dai , Guanghui Yu , Yijian Chen
发明人： Weijun Li , Bo Dai , Guanghui Yu , Yijian Chen
IPC分类号： H04W72/04
CPC分类号： H04W72/042 , H04L5/0007 , H04L5/001 , H04L5/0053 , H04L5/0082 , H04L5/0094 , H04L5/14 , H04W72/1289
摘要： A method for sending and detecting downlink control information is provided. A base station carries the downlink control information in a physical downlink control channel, and sends said physical downlink control channel through component carriers. Said base station bears first type downlink control information on an anchor component carrier, and bears third type downlink control information on a prime component carrier, wherein said first type downlink control information bears one or more types of uplink scheduling information, downlink scheduling information and uplink power control information of its component carrier, said third type downlink control information bears indication information of the second type downlink control information which bears the uplink scheduling information and/or the downlink scheduling information of one or more component carriers. A terminal detects the first type downlink control information on the anchor component carries and detects the third type downlink control information on the prime component carrier.
摘要翻译：提供了发送和检测下行链路控制信息的方法。基站在物理下行链路控制信道中携带下行链路控制信息，并通过分量载波发送所述物理下行链路控制信道。所述基站在主分量载波上承载第一类型下行链路控制信息，并且对主分量载波承载第三类型下行链路控制信息，其中所述第一类型下行链路控制信息承载一种或多种类型的上行调度信息，下行链路调度信息和上行链路其分量载波的功率控制信息，所述第三类型下行链路控制信息具有承载一个或多个分量载波的上行链路调度信息和/或下行链路调度信息的第二类型下行链路控制信息的指示信息。终端检测到锚分量上的第一类型下行链路控制信息携带并检测关于主分量载波的第三类型下行链路控制信息。

118. 发明申请

US20130201929A1 Method and System for Non-Periodic Feedback in Carrier Aggregation Scenario 有权
标题翻译：载波聚合情况下非周期反馈的方法和系统
公开(公告)号：US20130201929A1
公开(公告)日：2013-08-08
申请号：US13638756
申请日：2010-08-19
申请人： Bo Dai , Xin Wu , Ping Zeng , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Xin Wu , Ping Zeng , Guanghui Yu , Zhisong Zuo
IPC分类号： H04W72/04
CPC分类号： H04W72/042 , H04B7/0643 , H04L5/001 , H04L5/0094 , H04W24/10 , H04W28/06 , H04W48/08 , H04W72/00 , H04W72/04
摘要： The present invention discloses a method and a system for non-periodic feedback in a carrier aggregation scenario. The method comprises: a base station sending a non-periodic trigger signaling to a piece of User Equipment (UE); the UE receiving the non-periodic trigger signaling, and determining a Downlink Component Carrier (DL CC) requiring feedback according to the non-periodic trigger signaling; the UE triggering a non-periodic feedback of the determined DL CC. With the present invention, the problem that it is impossible to determine which downlink component carrier is to be fed back according to the non-periodic trigger signaling in the carrier aggregation scenario is solved, uplink feedback of the DL CC that is unnecessary to be fed back is effectively reduced, the base station can adjust resource allocation according to information fed back by the UE, and the performance of downlink data transmission is ensured.
摘要翻译：本发明公开了一种在载波聚合场景中的非周期性反馈的方法和系统。该方法包括：向一个用户设备（UE）发送非周期性触发信令的基站; 所述UE接收所述非周期性触发信令，以及根据所述非周期触发信令确定需要反馈的下行链路分量载波（DL CC）; UE触发所确定的DL CC的非周期反馈。利用本发明，解决了不可能根据载波聚合方案中的非周期性触发信令来确定哪个下行链路分量载波被反馈的问题，不需要馈送的DL CC的上行链路反馈后台有效减少，基站可以根据UE反馈的信息调整资源分配，确保下行数据传输的性能。

119. 发明授权

US08451790B2 Method and system for transmitting downlink control information 有权
标题翻译：传输下行控制信息的方法和系统
公开(公告)号：US08451790B2
公开(公告)日：2013-05-28
申请号：US13257773
申请日：2010-06-30
申请人： Bo Dai , Weijun Li , Guanghui Yu , Zhisong Zuo
发明人： Bo Dai , Weijun Li , Guanghui Yu , Zhisong Zuo
IPC分类号： H04W72/04 , H04J1/00 , H04L12/26
CPC分类号： H04W48/08 , H04L5/0053 , H04W88/08
摘要： The present invention discloses a method and a system for transmitting downlink control information, wherein when a base station is not configured with a carrier indicator field, the base station transmits a physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in a user equipment's physical downlink shared channel (PDSCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the configured PDSCH carrier set. When a base station is configured with a carrier indicator field, the base station transmits the physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in the configured physical downlink control channel (PDCCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the PDCCH carrier set.
摘要翻译：本发明公开了一种发送下行链路控制信息的方法和系统，其中当基站未配置载波指示符字段时，基站在每个下行链路分量载波上发送携带相应下行链路控制信息的物理下行链路控制信道，用户设备的物理下行链路共享信道（PDSCH）载波集合，并且用户设备在配置的PDSCH载波集合中检测关于每个下行链路分量载波的对应的下行链路控制信息。当基站配置有载波指示符字段时，基站在配置的物理下行链路控制信道（PDCCH）载波集合中的每个下行链路分量载波上发送携带相应的下行链路控制信息的物理下行链路控制信道，并且用户设备检测在PDCCH载波集合中的每个下行链路分量载波上的相应下行链路控制信息。

120. 发明申请

US20120320774A1 Method for Transmitting Feedback of Channel State Information and User Equipment 有权
标题翻译：发送信道状态信息和用户设备反馈的方法
公开(公告)号：US20120320774A1
公开(公告)日：2012-12-20
申请号：US13520478
申请日：2010-06-29
申请人： Bo Dai , Yijian Chen , Jun Xu , Guanghui Yu , Qianzi Xu , Ruyue Li , Junfeng Zhang
发明人： Bo Dai , Yijian Chen , Jun Xu , Guanghui Yu , Qianzi Xu , Ruyue Li , Junfeng Zhang
IPC分类号： H04W24/10
CPC分类号： H04B7/0417 , H04B7/0621 , H04B7/0632 , H04L5/0023 , H04L5/0035 , H04L5/0091 , H04L25/0224 , H04L25/03891 , H04W48/08
摘要： Disclosed are a method for transmitting feedback of channel state information and user equipment. The method comprises: under a transmission mode, user equipment (UE) determining contents carried by channel state information according to indication information, wherein the indication information comprises at least one of the following: rank indicator (RI), channel quality indication information (CQI) and configuration signaling sent by a base station eNodeB; and the UE sending the channel state information to the eNodeB. The present invention solves the problem that the contents provided by the channel state information are not suitable for those transmission modes under which a multiple user-MIMO and a single user-MIMO can be switched from one to another, improving the applicability of the channel state information.
摘要翻译：公开了一种用于发送信道状态信息和用户设备的反馈的方法。该方法包括：在传输模式下，用户设备（UE）根据指示信息确定由信道状态信息携带的内容，其中指示信息包括以下中的至少一个：秩指示符（RI），信道质量指示信息（CQI ）和由基站eNodeB发送的配置信令; 并且UE向eNodeB发送信道状态信息。本发明解决了由信道状态信息提供的内容不适合于可以从多个用户MIMO和单个用户MIMO切换到另一个的那些传输模式的问题，提高了信道状态的适用性信息。

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